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Cancer of an unknown primary

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https://www.readbyqxmd.com/read/29667271/syndrome-and-outcome-of-antibody-negative-limbic-encephalitis
#1
Francesc Graus, Domingo Escudero, Laura Oleaga, Jordi Bruna, Alberto Villarejo-Galende, Jordi Ballabriga, María Inés Barceló, Francisco Gilo, Stoyan Popkirov, Pavel Stourac, Josep Dalmau
OBJECTIVE: To report the clinical characteristics of 12 patients with limbic encephalitis (LE) who were antibody-negative after a comprehensive immunological study. METHODS: Review of clinical records of 163 patients with LE. Immunohistochemistry on rat brain, cultured neurons, and cell-based assays were used to identify neuronal autoantibodies. Patients were included if 1) there was adequate clinical, CSF, and MRI information to classify the syndrome as LE, 2) MRI images were accesible for central review, and 3) serum and CSF were available and confirmed negative for neuronal antibodies...
April 18, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29660787/high-gtse1-expression-promotes-acral-melanoma-progression-and-correlates-with-poor-clinical-prognosis
#2
Tianxiao Xu, Meng Ma, Zhihong Chi, Lu Si, Xinan Sheng, Chuanliang Cui, Jie Dai, Sifan Yu, Junya Yan, Huan Yu, Xiaowen Wu, Huan Tang, Jiayi Yu, Yan Kong, Jun Guo
G-2 and S-phase expressed 1 (GTSE1) regulates cell cycle progression in human cancers. However, its significance and mechanism of action in acral melanoma (AM) remain unknown. In this study, we found that GTSE1 expression was upregulated in advanced stage/metastatic AM tissues and metastatic cell lines, and correlated with higher stage (P = 0.028) and poor disease-free survival (DFS) in patients with AM (P = 0.003). Cox regression assays validated GTSE1 expression to be an independent prognostic factor of DFS for patients with AM (P = 0...
April 16, 2018: Cancer Science
https://www.readbyqxmd.com/read/29660222/aberrant-methylation-of-eya4-promotes-epithelial-mesenchymal-transition-in-esophageal-squamous-cell-carcinoma
#3
Mei Luo, Yuan Li, Xuejiao Shi, Wenhui Yang, Fang Zhou, Nan Sun, Jie He
EYA4, one of the four members of the EYA gene family, is associated with several human cancers. However, its biological functions and molecular mechanisms in the progression of cancer, particularly in esophageal squamous cell carcinoma (ESCC), remain unknown. In the present study, we found that EYA4 was underexpressed and hypermethylated in most of the ESCC cell lines tested (85.7%, 6/7). Treatment with 5-aza-dC and/or TSA restored EYA4 expression in ESCC cell lines, which indicates that EYA4 expression was epigenetically regulated...
April 16, 2018: Cancer Science
https://www.readbyqxmd.com/read/29652246/metformin-in-non-diabetic-hyperglycaemia-the-glint-feasibility-rct
#4
Simon J Griffin, M Angelyn Bethel, Rury R Holman, Kamlesh Khunti, Nicholas Wareham, Gwen Brierley, Melanie Davies, Andrew Dymond, Rose Eichenberger, Philip Evans, Alastair Gray, Colin Greaves, Kyla Harrington, Graham Hitman, Greg Irving, Sarah Lessels, Ann Millward, John R Petrie, Martin Rutter, Mike Sampson, Naveed Sattar, Stephen Sharp
BACKGROUND: The treatment of people with diabetes with metformin can reduce cardiovascular disease (CVD) and may reduce the risk of cancer. However, it is unknown whether or not metformin can reduce the risk of these outcomes in people with elevated blood glucose levels below the threshold for diabetes [i.e. non-diabetic hyperglycaemia (NDH)]. OBJECTIVE: To assess the feasibility of the Glucose Lowering In Non-diabetic hyperglycaemia Trial (GLINT) and to estimate the key parameters to inform the design of the full trial...
April 2018: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/29650846/-two-stage-radical-resection-of-a-case-of-colon-cancer-with-abdominal-wall-invasion-and-cholangiocarcinoma
#5
Takashi Sugimoto, Hidenori Kiyochi, Yohei Hosoda, Izumi Komoto, Yu Sasaki, Kazuhiro Nishiyama, Hokahiro Katayama, Nobuko Ogura, Shoji Tsunekawa, Yoshiro Taki, Mizuho Akahane, Teruyoshi Aoyama, Hiroko Matsumoto, Shoji Takami, Jun Kawai
A woman in her 50s was admitted to our hospital with fever and lower abdominal swelling. Abdominal CT/MRI examinations revealed irregular thickening of the transverse colon wall, which was attached to a subcutaneous abscess. An abdominal wall mass, a patent urachus, and a tumor in the 5th segment of the liver were also noted. Colonoscopy revealed type 2 advanced transverse colon cancer. The solitary, sessile tumor was observed at the apex of the bladder under cystoscopy, suggesting the formation of the urachal carcinoma...
April 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29620238/mir-328-5p-inhibits-mda-mb-231-breast-cancer-cell-proliferation-by-targeting-rage
#6
Tingting Luo, Yueqiong Yan, Qiuxia He, Xiaoqian Ma, Wei Wang
MicroRNAs (miRNAs) are a class of short non-coding RNAs that play an important role in gene regulation and are critically involved in the pathogenesis and progression of human cancer. miR-328-5p has been reported to potentially act as a sensitising agent in breast cancer, but its other cellular functions and mechanisms remain unknown. The primary aim of the present study was to discover additional cellular functions and mechanisms of miR-328-5p in the breast cancer cell line MDA-MB-231. In the present study, miRNA microarray was used to find altered miRNAs...
April 4, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29614021/non-metastatic-cutaneous-melanoma-induces-chronodisruption-in-central-and-peripheral-circadian-clocks
#7
Leonardo Vinícius Monteiro de Assis, Maria Nathália Moraes, Keila Karoline Magalhães-Marques, Gabriela Sarti Kinker, Sanseray da Silveira Cruz-Machado, Ana Maria de Lauro Castrucci
The biological clock has received increasing interest due to its key role in regulating body homeostasis in a time-dependent manner. Cancer development and progression has been linked to a disrupted molecular clock; however, in melanoma, the role of the biological clock is largely unknown. We investigated the effects of the tumor on its micro- (TME) and macro-environments (TMaE) in a non-metastatic melanoma model. C57BL/6J mice were inoculated with murine B16-F10 melanoma cells and 2 weeks later the animals were euthanized every 6 h during 24 h...
April 3, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29610002/renal-cell-carcinoma-presenting-as-carcinoma-of-unknown-primary-site-recognition-of-a-treatable-patient-subset
#8
F Anthony Greco, John D Hainsworth
BACKGROUND: Improved diagnostic methods, including gene expression profiling, allow identification of the tissue of origin in most patients with carcinoma of unknown primary site (CUP). Patients with an occult renal cell carcinoma (RCC) are of particular interest, because effective treatment for advanced RCC has no overlap with the empiric chemotherapy used traditionally for CUP. We report the clinical characteristics, pathologic features, and response to RCC-specific treatment in CUP patients identified as RCC using a molecular cancer classifier assay (MCCA)...
March 9, 2018: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29607969/phlegmonous-gastritis-a-report-of-three-cases-with-clinical-and-imaging-features
#9
Mitsuaki Ishioka, Noboru Watanabe, Masayuki Sawaguchi, Sho Fukuda, Hisashi Shiga, Tamotsu Matsuhashi, Mario Jin, Katsunori Iijima
Phlegmonous gastritis is a rare but often fatal acute pyogenic infection of the stomach. We herein report three cases of phlegmonous gastritis with different causes: the long-term placement of a nasogastric feeding tube, bacteremia associated with cellulitis in a diabetic patient, and an adverse reaction to paclitaxel/carboplatin chemotherapy for cancer of unknown primary cause, which were classified as primary, secondary, and idiopathic types, respectively. Coping with the increasing morbidity rate associated with the diverse background of such patients requires a thorough understanding of the clinical features and image findings associated with this entity...
March 30, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29603385/downregulated-eosinophil-activity-in-ulcerative-colitis-with-concomitant-primary-sclerosing-cholangitis
#10
Maria Lampinen, Annika Fredricsson, Johan Vessby, Johana Fernandez Martinez, Alkwin Wanders, Fredrik Rorsman, Marie Carlson
Primary sclerosing cholangitis (PSC) is a chronic bile duct inflammation strongly connected to ulcerative colitis (UC). PSC is associated with an increased risk of colon cancer, but the link between the intestinal and the bile duct inflammation is still unknown. Also, the involvement of intestinal immune cells in the pathogenesis of PSC remains to be determined. The eosinophil granulocyte is one of the immune cells implicated in the inflammatory process of ulcerative colitis. This study was performed to determine how the accumulation and activation of intestinal eosinophils may differ between UC with and without concomitant PSC, and how this may be influenced by the cytokine/chemokine profile of the intestinal compartment...
March 30, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29596120/survival-in-locally-advanced-pancreatic-cancer-after-neoadjuvant-therapy-and-surgical-resection
#11
Georgios Gemenetzis, Vincent P Groot, Alex B Blair, Daniel A Laheru, Lei Zheng, Amol K Narang, Elliot K Fishman, Ralph H Hruban, Jun Yu, Richard A Burkhart, John L Cameron, Matthew J Weiss, Christopher L Wolfgang, Jin He
OBJECTIVE: The aim of the study was to identify the survival of patients with locally advanced pancreatic cancer (LAPC) and assess the effect of surgical resection after neoadjuvant therapy on patient outcomes. BACKGROUND: An increasing number of LAPC patients who respond favorably to neoadjuvant therapy undergo surgical resection. The impact of surgery on patient survival is largely unknown. MATERIALS AND METHODS: All LAPC patients who presented to the institutional pancreatic multidisciplinary clinic (PMDC) from January 2013 to September 2017 were included in the study...
March 28, 2018: Annals of Surgery
https://www.readbyqxmd.com/read/29587959/cup-syndrome-metastatic-malignancy-with-unknown-primary-tumor
#12
Gregor Zaun, Martin Schuler, Ken Herrmann, Andrea Tannapfel
BACKGROUND: 2-4% of newly diagnosed cases of malignant disease involve cancer of unknown primary (CUP). This mixed entity is one of the 6 most common types of malignant disease in Germany. Highly refined treatment strategies can now be offered to patients with CUP. METHODS: This review is based on pertinent publications retrieved by a selective search in PubMed with an emphasis on articles from the past decade. The current guidelines and recommendations of specialty societies were also considered in the evaluation...
March 9, 2018: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/29573941/encorafenib-plus-binimetinib-versus-vemurafenib-or-encorafenib-in-patients-with-braf-mutant-melanoma-columbus-a-multicentre-open-label-randomised-phase-3-trial
#13
Reinhard Dummer, Paolo A Ascierto, Helen J Gogas, Ana Arance, Mario Mandala, Gabriella Liszkay, Claus Garbe, Dirk Schadendorf, Ivana Krajsova, Ralf Gutzmer, Vanna Chiarion-Sileni, Caroline Dutriaux, Jan Willem B de Groot, Naoya Yamazaki, Carmen Loquai, Laure A Moutouh-de Parseval, Michael D Pickard, Victor Sandor, Caroline Robert, Keith T Flaherty
BACKGROUND: Combined BRAF-MEK inhibitor therapy is the standard of care for BRAFV600 -mutant advanced melanoma. We investigated encorafenib, a BRAF inhibitor with unique target-binding properties, alone or in combination with the MEK inhibitor binimetinib, versus vemurafenib in patients with advanced BRAFV600 -mutant melanoma. METHODS: COLUMBUS was conducted as a two-part, randomised, open-label phase 3 study at 162 hospitals in 28 countries. Eligible patients were aged 18 years or older and had histologically confirmed locally advanced (American Joint Committee on Cancer [AJCC] stage IIIB, IIIC, or IV), unresectable or metastatic cutaneous melanoma, or unknown primary melanoma; a BRAFV600E or BRAFV600K mutation; an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1; and were treatment naive or had progressed on or after previous first-line immunotherapy...
March 21, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29572705/is-low-volume-disease-in-the-sentinel-node-after-neoadjuvant-chemotherapy-an-indication-for-axillary-dissection
#14
Tracy-Ann Moo, Marcia Edelweiss, Sabina Hajiyeva, Michelle Stempel, Monica Raiss, Emily C Zabor, Andrea Barrio, Monica Morrow
BACKGROUND/OBJECTIVE: Intraoperative evaluation of sentinel lymph nodes (SLNs) after neoadjuvant chemotherapy (NAC) has a higher false-negative rate than in the primary surgical setting, particularly for small tumor deposits. Additional tumor burden seen with isolated tumor cells (ITCs) and micrometastases following primary surgery is low; however, it is unknown whether the same is true after NAC. We examined the false-negative rate of intraoperative frozen section (FS) after NAC, and the association between SLN metastasis size and residual disease at axillary lymph node dissection (ALND)...
March 23, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29567630/anthracycline-induced-cardiotoxicity-a-multicenter-randomised-trial-comparing-two-strategies-for-guiding-prevention-with-enalapril-the-international-cardiooncology-society-one-trial
#15
Daniela Cardinale, Fabio Ciceri, Roberto Latini, Maria Grazia Franzosi, Maria Teresa Sandri, Maurizio Civelli, GianFranco Cucchi, Elisabetta Menatti, Maurizio Mangiavacchi, Raffaele Cavina, Enrico Barbieri, Stefania Gori, Alessandro Colombo, Giuseppe Curigliano, Michela Salvatici, Antonio Rizzo, Francesco Ghisoni, Alessandra Bianchi, Cristina Falci, Michele Aquilina, Andrea Rocca, Anna Monopoli, Carlo Milandri, Giuseppe Rossetti, Marco Bregni, Marco Sicuro, Alessandra Malossi, Daniele Nassiacos, Claudio Verusio, Monica Giordano, Lidia Staszewsky, Simona Barlera, Enrico B Nicolis, Michela Magnoli, Serge Masson, Carlo M Cipolla
BACKGROUND: Troponin changes over time have been suggested to allow for an early diagnosis of cardiac injury ensuing cancer chemotherapy; cancer patients with troponin elevation may benefit of therapy with enalapril. It is unknown whether a preventive treatment with enalapril may further increase the benefit. METHODS: The International CardioOncology Society-one trial (ICOS-ONE) was a controlled, open-label trial conducted in 21 Italian hospitals. Patients were randomly assigned to two strategies: enalapril in all patients started before chemotherapy (CT; 'prevention' arm), and enalapril started only in patients with an increase in troponin during or after CT ('troponin-triggered' arm)...
May 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29560286/-pan3-psma2-fusion-resulting-from-a-novel-t-7-13-p14-q12-chromosome-translocation-in-a-myelodysplastic-syndrome-that-evolved-into-acute-myeloid-leukemia
#16
Ioannis Panagopoulos, Ludmila Gorunova, Hege Kilen Andersen, Astrid Bergrem, Anders Dahm, Kristin Andersen, Francesca Micci, Sverre Heim
Background: Acquired primary chromosomal changes in cancer are sometimes found as sole karyotypic abnormalities. They are specifically associated with particular types of neoplasia, essential in establishing the neoplasm, and they often lead to the generation of chimeric genes of pathogenetic, diagnostic, and prognostic importance. Thus, the report of new primary cancer-specific chromosomal aberrations is not only of scientific but also potentially of clinical interest, as is the detection of their gene-level consequences...
2018: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/29558251/impact-of-socioeconomic-status-on-pretreatment-weight-loss-and-survival-in-non-small-cell-lung-cancer
#17
Steven K M Lau, Bhavani S Gannavarapu, Kristen Carter, Ang Gao, Chul Ahn, Jeffrey J Meyer, David J Sher, Aminah Jatoi, Rodney Infante, Puneeth Iyengar
PURPOSE: Socioeconomic status (SES) influences health care outcomes, but the influence of primary payer on cancer-associated wasting is unknown. We hypothesized that primary payer as an indicator of SES would influence pretreatment cancer-associated weight loss and treatment outcomes. MATERIALS AND METHODS: Retrospective review of medical records identified 1,366 patients with non-small-cell lung cancer (NSCLC) consecutively treated at a tertiary care health system between January 1, 2006 and December 31, 2013...
March 20, 2018: Journal of Oncology Practice
https://www.readbyqxmd.com/read/29556001/a-tumor-myeloid-cell-axis-mediated-via-the-cytokines-il-1%C3%AE-and-tslp-promotes-the-progression-of-breast-cancer
#18
Emma L Kuan, Steven F Ziegler
Tumors actively manipulate the immune response through the production of factors that attract immune cells and subsequently alter their ability to recognize and effectively remove the tumor. While this mechanism for evading the immune system is an important aspect of tumor survival, the factors that serve as primary growth factors for the tumor are less understood. Here we demonstrate a previously unknown mechanism by which breast-cancer cells manipulate tumor-infiltrating myeloid cells to maintain their survival...
March 19, 2018: Nature Immunology
https://www.readbyqxmd.com/read/29552159/transfection-of-the-helicobacter-pylori-caga-gene-alters-muc5ac-expression-in-human-gastric-cancer-cells
#19
Ding Shi, Yongpan Liu, Dong Wu, Xujun Hu
Helicobacter pylori , the primary causative agent of stomach cancer, is known to affect gastric mucin expression. However, the underlying molecular mechanisms mediating this H. pylori -dependent effect remain unknown. In the present study, the effect of exogenous expression of the H. pylori virulence factor, CagA, on mucin 5AC oligomeric muscus/gel-forming (MUC5AC) expression was investigated using an in vitro model of the gastric mucosa. AGS cells were either untreated or transfected by a vector control (pCDNA3...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29540675/expression-of-lncrna-mir222hg-co-transcribed-from-the-mir-221-222-gene-promoter-facilitates-the-development-of-castration-resistant-prostate-cancer
#20
Tong Sun, Shin-Yi Du, Joshua Armenia, Fangfang Qu, Jingyu Fan, Xiaodong Wang, Teng Fei, Kazumasa Komura, Shirley X Liu, Gwo-Shu Mary Lee, Philip W Kantoff
Mechanisms by which non-coding RNAs contribute to the progression of hormone-sensitive prostate cancer (PCa) (HSPC) to castration-resistant PCa (CRPC) remain largely unknown. We previously showed that microRNA-221/222 is up-regulated in CRPC and plays a critical role in modulating androgen receptor function during CRPC development. With further investigation, we characterized a putative promoter region located 23.3 kb upstream of the miR-221/222 gene, and this promoter is differentially activated in CRPC LNCaP-Abl cells, leading to the up-regulation of miR-221/222...
March 13, 2018: Oncogenesis
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